First, congratulations you’re marketing like a badass and need more than 100k contacts at a time.
The 100k download limit is a security precaution. To get more than 100k records you can download the data you need 100k at a time and exclude the previous downloads each time.
Also if you really need large volumes reach out to an account manager at 877.591.3252. We can provide larger lists directly as a spreadsheet, or by API. Reach out to [email protected] with any questions or requests.